7743672648 has 24 divisors (see below), whose sum is σ = 20972446950. Its totient is φ = 2581224192.

The previous prime is 7743672647. The next prime is 7743672649. The reversal of 7743672648 is 8462763477.

It is an interprime number because it is at equal distance from previous prime (7743672647) and next prime (7743672649).

It can be written as a sum of positive squares in only one way, i.e., 7597214244 + 146458404 = 87162^2 + 12102^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 7743672594 and 7743672603.

It is not an unprimeable number, because it can be changed into a prime (7743672647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53775433 + ... + 53775576.

Almost surely, 2^7743672648 is an apocalyptic number.

It is an amenable number.

7743672648 is an abundant number, since it is smaller than the sum of its proper divisors (13228774302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7743672648 is a wasteful number, since it uses less digits than its factorization.

7743672648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107551021 (or 107551014 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 54.

The square root of 7743672648 is about 87998.1400257983. The cubic root of 7743672648 is about 1978.4070996405.

The spelling of 7743672648 in words is "seven billion, seven hundred forty-three million, six hundred seventy-two thousand, six hundred forty-eight".